E85 ngk bpr7es plugs supposed to look like this?
#16
Rennlist Member
Thread Starter
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
Stock number 2023 same as 5534?
#18
Rennlist Member
Thread Starter
#19
Addict
Rennlist Member
Rennlist
Small Business Partner
Rennlist Member
Rennlist
Small Business Partner
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
E85 burns quite a bit cooler than gas, so you could definitely try running the 6's and see if that helps. If your keeping the boost below 18psi, the Bosch Supers in standard heat-range are a good choice. Those tend to have a little better idle than the NGKs (but they don't like high-boost).